NAICS 327991: Cut Stone and Stone Product Manufacturing
This U.S. industry comprises establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses.  Stone product manufacturing establishments may mine, quarry, or purchase stone.

ExioML sector: Other non-metallic mineral products
Region: US | Year: 2022
Sector value added: 7267.28241345 M EUR | Employment: 50.0959097238 thousand persons
Sector GHG emissions: 3814794224.23 kg CO2 eq | Energy carrier net total: 91162.3046969 TJ | Carbon intensity: 0.5249272021092409

Company: Polyvision Corporation
PolyVision Corporation manufactures and supplies ceramic steel surfaces. The Company products are used in whiteboards and chalkboards, projection surfaces, architectural cladding, and infrastructure projects.